feat(server): accepted video containers (#11274)

* add accepted container config

* update api

* mp4 option makes no sense

* add to transcoding settings

* wording

* updated spec config

* formatting

server/test/fixtures/media.stub.ts

@@ -177,4 +177,14 @@ export const probeStub = {
     ...probeStubDefault,
     videoStreams: [{ ...probeStubDefaultVideoStream[0], codecName: 'h264' }],
   }),
+  videoStreamAvi: Object.freeze<VideoInfo>({
+    ...probeStubDefault,
+    videoStreams: [{ ...probeStubDefaultVideoStream[0], codecName: 'h264' }],
+    format: {
+      formatName: 'avi',
+      formatLongName: 'AVI (Audio Video Interleaved)',
+      duration: 0,
+      bitrate: 0,
+    },
+  }),
 };